1999-2004 Honda TRX400EX FourTrax Service Manual, Page 156Get this manual
CRANKCASElTRANSMlSSlONICRANKSHAFT Remove the mainshaft bearing using the special toolsTOOLS: Mainshaft bearing: Bearing remover, 17 mm Remover handle Sliding weight
07936-3710300 07936-3710100 07741-0010201or 07936371020A or 07936-3710200
Heat the crankcase 80C (176F)evenly using heat gun and remove the balancer bearing
Always wear insulated gloves when handling the crankcase after it has been heatedCAUTION:
-Do use torch to heat the case; it may cause
waroinaApply oil to new bearingsDrive the countershaft and balancer bearings in with the marking side facing up using the special toolsTOOLS Countershaft bearing: Driver Attachment, 52 55 mm Pilot, 25 mm Balancer bearing: Driver Attachment, 32 35 mm Pilot, 12 mm ATrACH E